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Finding the Fourth Proportional to 560,957.31, 774,019.13 and 331,553.16

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Solution

The fourth proportional to 560,957.31, 774,019.13 and 331,553.16 is: 457,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,957.31 : 774,019.13 = 331,553.16 : x
  2. Step 2: Convert to fraction form
    560,957.31/774,019.13 = 331,553.16/x
  3. Step 3: Cross multiply
    560,957.31x = 774,019.13 × 331,553.16
  4. Step 4: Simplify right side
    560,957.31x = 256,628,486,794.19
  5. Step 5: Solve for x
    x = 256,628,486,794.19/560,957.31
  6. Step 6: Final answer
    x = 457,483.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.